Geodetic Datums and Projections


Geocentric Datum of Australia 2020 (GDA2020)

Learn about Australia's Geocentric Datum and its purpose.



Geoid

Find out about existing Geoid model and data and techniques it uses.


Australian Height Datum

Information on height datum used by Australia and how it was developed.


Link to Other Datums

Other Datums

Learn about the differences between datums.